Source: Woodworth-Barnes, Esther Littleford and Williams, Alicia Crane, Mayflower Families through Five Generations, Vol 16 Part 1 of 3, John Alden, Boston, Mass.: General Society of Mayflower Descendants, 2002.
Source: Robert Charles Anderson, "John Alden", Great Migration Begins: Immigrants to New England 1620-1633, Vol I, Boston, New England Historic Genealogical Society 1995
Source: Genealogy of Mary Jane Bradway, married Asa Rufus Snow. Compiled by Kearney W. Greenwald and wife Frieda Greenwald, from Research by Bette Bradway, a professional registered Genealogist.
It may be possible to confirm family relationships with Jonathan by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA test-takers in his direct paternal line.
Mitochondrial DNA test-takers in the direct maternal line: